nsRange.h

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- *//* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** *//* * Implementation of the DOM nsIDOMRange object. */#ifndef nsRange_h___#define nsRange_h___#include "nsIRange.h"#include "nsIDOMRange.h"#include "nsIRangeUtils.h"#include "nsIDOMNSRange.h"#include "nsCOMPtr.h"#include "nsIDOMDocumentFragment.h"#include "nsIContent.h"#include "nsIDOMNode.h"#include "prmon.h"#include "nsStubMutationObserver.h"class nsVoidArray;
// -------------------------------------------------------------------------------class nsRangeUtils : public nsIRangeUtils
{
public:
NS_DECL_ISUPPORTS
// nsIRangeUtils interfaceNS_IMETHOD_(PRInt32) ComparePoints(nsIDOMNode* aParent1, PRInt32 aOffset1,
nsIDOMNode* aParent2, PRInt32 aOffset2);
NS_IMETHOD CompareNodeToRange(nsIContent* aNode,
nsIDOMRange* aRange,
PRBool *outNodeBefore,
PRBool *outNodeAfter);
};
// -------------------------------------------------------------------------------
class nsRange : public nsIRange,
public nsIDOMRange,
public nsIDOMNSRange,
public nsStubMutationObserver
{
public:
nsRange()
{
}
virtual ~nsRange();
NS_DECL_ISUPPORTS
// nsIDOMRange interface
NS_DECL_NSIDOMRANGE
// nsIDOMNSRange interface
NS_DECL_NSIDOMNSRANGE
// nsIRange interfacevirtualnsINode* GetCommonAncestor();
virtualvoid Reset();
// nsIMutationObserver methodsvirtualvoid CharacterDataChanged(nsIDocument* aDocument,
nsIContent* aContent,
CharacterDataChangeInfo* aChangeInfo);
virtualvoid ContentInserted(nsIDocument* aDocument,
nsIContent* aContainer,
nsIContent* aChild,
PRInt32 aIndexInContainer);
virtualvoid ContentRemoved(nsIDocument* aDocument,
nsIContent* aContainer,
nsIContent* aChild,
PRInt32 aIndexInContainer);
virtualvoid NodeWillBeDestroyed(constnsINode* aNode);
virtualvoid ParentChainChanged(nsIContent *aContent);
private:
// no copy's or assigns
nsRange(const nsRange&);
nsRange& operator=(const nsRange&);
nsINode* IsValidBoundary(nsINode* aNode);
public:
/****************************************************************************** * Utility routine to detect if a content node starts before a range and/or * ends after a range. If neither it is contained inside the range. * * XXX - callers responsibility to ensure node in same doc as range! * *****************************************************************************/static nsresult CompareNodeToRange(nsIContent* aNode, nsIDOMRange* aRange,
PRBool *outNodeBefore,
PRBool *outNodeAfter);
static nsresult CompareNodeToRange(nsIContent* aNode, nsIRange* aRange,
PRBool *outNodeBefore,
PRBool *outNodeAfter);
protected:
void DoSetRange(nsINode* aStartN, PRInt32 aStartOffset,
nsINode* aEndN, PRInt32 aEndOffset,
nsINode* aRoot);
};
// Make a new nsIDOMRange object
nsresult NS_NewRange(nsIDOMRange** aInstancePtrResult);
// Make a new nsIRangeUtils object
nsresult NS_NewRangeUtils(nsIRangeUtils** aInstancePtrResult);
#endif /* nsRange_h___ */